Keyboard



FIG. 1 is an isometric view of a keyboard.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a back view thereof.

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken line disclosure in all views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a keyboard, as shown and described. 